What is the note on the 9th fret of the 4th string?

To identify the note on the 9th fret of the 4th string, which is the D string on the guitar, one needs to understand the tuning of the guitar as well as the relationship between the frets and the notes.

In standard tuning, the 4th string (D string) is tuned to the note D. Each fret on the guitar represents a half-step increase in pitch. Therefore, if you start from D and count up the frets:

• The 1st fret is D# (or Eb)

• The 2nd fret is E

• The 3rd fret is F

• The 4th fret is F# (or Gb)

• The 5th fret is G

• The 6th fret is G# (or Ab)

• The 7th fret is A

• The 8th fret is A# (or Bb)

• The 9th fret is B

Thus, the note found on the 9th fret of the 4th string is actually B. This systematic progression of half-steps helps in determining the notes along the neck of the guitar accurately. Each fret moves up in pitch, resulting in the identification of the note B at the